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Question: One of my brake lights dont work when the headlights are on, why ?

When my headlights are off my brake lights work fine. But when I turn my headlights on my back left brake light doesn't work.

October 5, 2012, 7:05 pm

Elizabeth K

That is likely caused by an inadequate ground connection, but when weird electrical problems exist it's always worth it to try replacing the bulb first. If that doesn't work though, have someone check the ground.

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